gcc?

poetry/build_gnu.sh

@@ -6,6 +6,7 @@ export DEBIAN_FRONTEND=noninteractive
 
 apt update
 apt install -y wget binutils curl build-essential clang pkg-config libssl-dev
+export CC=gcc
 
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
 source "$HOME/.cargo/env"
@@ -38,7 +39,6 @@ echo "::endgroup::"
 echo "::group::build"
 
 echo "install poetry ..."
-"$cpython_bin" -m pip install msgpack --no-binary=msgpack
 "$cpython_bin" -m pip install "poetry==$tool_version"
 "$cpython_bin" -m poetry self add poetry-plugin-sort
 "$cpython_bin" -m poetry self lock